SHEFFIELD, ENGLAND - APRIL 20: Mark Selby of England looks on during a media day ahead of the World Snooker Championships at Crucible Theatre on April 20, 2018 in Sheffield, England. (Photo by Matthew Lewis/Getty Images )
SHEFFIELD, ENGLAND - APRIL 20: Mark Selby of England looks on during a media day ahead of the World Snooker Championships at Crucible Theatre on April 20, 2018 in Sheffield, England. (Photo by Matthew Lewis/Getty Images )